1221013112030 has 16 divisors (see below), whose sum is σ = 2293381149984. Its totient is φ = 467170234080.

The previous prime is 1221013111993. The next prime is 1221013112117. The reversal of 1221013112030 is 302113101221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654376101 + ... + 2654376560.

It is an arithmetic number, because the mean of its divisors is an integer number (143336321874).

Almost surely, 2^{1221013112030} is an apocalyptic number.

1221013112030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1221013112030 is a deficient number, since it is larger than the sum of its proper divisors (1072368037954).

1221013112030 is a wasteful number, since it uses less digits than its factorization.

1221013112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308752691.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1221013112030 its reverse (302113101221), we get a palindrome (1523126213251).

The spelling of 1221013112030 in words is "one trillion, two hundred twenty-one billion, thirteen million, one hundred twelve thousand, thirty".